9122889 has 4 divisors (see below), whose sum is σ = 12163856. Its totient is φ = 6081924.

The previous prime is 9122851. The next prime is 9122929. The reversal of 9122889 is 9882219.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9122889 - 2¹² = 9118793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9122389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520479 + ... + 1520484.

It is an arithmetic number, because the mean of its divisors is an integer number (3040964).

Almost surely, 2^9122889 is an apocalyptic number.

It is an amenable number.

9122889 is a deficient number, since it is larger than the sum of its proper divisors (3040967).

9122889 is a wasteful number, since it uses less digits than its factorization.

9122889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040966.

The product of its digits is 20736, while the sum is 39.

The square root of 9122889 is about 3020.4120579815. The cubic root of 9122889 is about 208.9508442657.

It can be divided in two parts, 9122 and 889, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 9122889 in words is "nine million, one hundred twenty-two thousand, eight hundred eighty-nine".